I have no knowledge of myself as I am, but merely as I appear to myself.
Happiness is not an ideal of reason, but of imagination.
Physicians think they do a lot for a patient when they give his disease a name.
Life is the faculty of spontaneous activity, the awareness that we have powers.
Thoughts without content are empty, intuitions without concepts are blind.
Enlightenment is man's emergence from his self-incurred immaturity.